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TDA7294 Subwoofer Amplifier Schematic PCB Layout

This time I made a special amp to produce bass/subwoofer sound. Previously I had made a subwoofer amp using the LM3886, and this time I made a subwoofer amplifier using a TDA7294 bridged to mono. The power of this amp, based on the datasheet when it is on the bridge, is capable of producing around 150WATT RMS which is certainly not just writing. This amp can be combined with your main audio device / main speaker if the low tone is not sufficient. By using this amp you can vibrate the whole house. 

TDA7294 Subwoofer Amplifier Schematic PCB Layout
Use 18Vct to 24Vct transformers starting from 5-10A depending on the authenticity of the TDA7294 IC that you buy.

The resulting bass is very powerful and also fast, not boomy. At the end of this post, I include a double layer version Gerber file, and a single layer pdf that you can use to make your own.

Here's the complete schematic of this TDA7294 bridge subwoofer amp
TDA7294 Subwoofer Amplifier Circuit

TDA7294  subwoofer amplifier layout:
PCB TDA7294 Subwoofer Amplifier
You can check the video of the test and the manufacturing process here: TDA7294 Subwoofer Amplifier

Download the double-layer version of the TDA7294 Suwboofer Amplifier file here
Download pdf file version single layer here

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